Changelog

What has shipped.
Dated and tagged.

Every entry here corresponds to something you can actually use on the platform today. Newest first. If a fix matters, we say what it broke.

24 September 2026

Methodology page

New

We published the methodology page, setting out how the engine calculates footprints, where each emission factor comes from and what we refuse to fudge. It is the document we point auditors at, and now it is public.

10 September 2026

Pricing tiers

New

Three plans went live: free for individuals, a flat £49 a month for teams of up to 25, and bespoke quoting for enterprise. Same engine and same factors on every tier, so a number never changes when a plan does.

28 August 2026

Command palette

New

Press the palette shortcut inside the calculator to jump between sections, re-run an activity or open an export without hunting through menus. Keyboard first, and it remembers your last command.

14 August 2026

PWA calculator

NewFixed

The calculator installs to your home screen and keeps your entries on the device, so a dropped connection on a train no longer loses a half-finished footprint. This release also fixed a stale-results bug where editing a trip did not refresh the total until you left the page.

31 July 2026

Factor database at 135 factors

Improved

The emission factor database now carries 135 named factors across travel, home energy, food and goods. Every factor keeps its source and vintage on screen, and deprecated values are versioned rather than silently replaced.

18 July 2026

PDF and CSV exports

New

Monthly footprints export as a formatted PDF report or a plain CSV of activities with factors and totals. The CSV carries the factor name and source in its own columns, so it survives a spreadsheet round trip.

30 June 2026

Local emissions engine

New

Calculations now run on the device. Footprints compute without a round trip to a server, which makes the calculator faster and keeps raw activity data where it was entered. The same engine powers the public methodology page figures.

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